[2] Married to Charlotte Riddle in 1891, daughter of a prominent Philadelphia-area cotton manufacturer, he had two sons: Leander and Homer Jr.

Socially active, he invented the Homer Lee rotary steel plate printing system, as well as numbering devices used by the United States Treasury.

[2][3] In 1883, his company was awarded the first four-year contract to engrave and produce Postal Notes, an early form of money order, for the post office department.

His company produced notes catalogued as Types I, II, II-A, and III.

He died at the age of 73 on Thursday, January 25, 1923, and is buried next to his wife in the Sleepy Hollow Cemetery in Tarrytown, NY.